Solve the ratio of boys to girls in a school is 12:25 if there are 120 boys. how many girls are in the school

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

∆red ≅ ∆ by rule will give brainiest if possible

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking